; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --force-update
; RUN: opt < %s -mtriple=x86_64-unknown-unknown -passes=mergeicmps -verify-dom-info -S 2>&1 | FileCheck %s

; 8-byte int and 8-byte pointer should merge into a 16-byte memcmp.

%struct.outer = type { i64, ptr }
%struct.inner = type { i32, i32, i32 }

; Function Attrs: nounwind uwtable
define i1 @test(ptr align 8 dereferenceable(16) %o1, ptr align 8 dereferenceable(116) %o2) local_unnamed_addr nofree nosync {
; CHECK-LABEL: @test(
; CHECK-NEXT:  "entry+if.then":
; CHECK-NEXT:    [[MEMCMP:%.*]] = call i32 @memcmp(ptr [[O1:%.*]], ptr [[O2:%.*]], i64 16)
; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i32 [[MEMCMP]], 0
; CHECK-NEXT:    br label [[IF_END5:%.*]]
; CHECK:       if.end5:
; CHECK-NEXT:    ret i1 [[TMP2]]
;
entry:
  %0 = load i64, ptr %o1, align 8
  %1 = load i64, ptr %o2, align 8
  %cmp = icmp eq i64 %0, %1
  br i1 %cmp, label %if.then, label %if.end5

if.then:                                          ; preds = %entry
  %p2 = getelementptr inbounds %struct.outer, ptr %o1, i64 0, i32 1
  %2 = load ptr, ptr %p2, align 8
  %p22 = getelementptr inbounds %struct.outer, ptr %o2, i64 0, i32 1
  %3 = load ptr, ptr %p22, align 8
  %cmp3 = icmp eq ptr %2, %3
  br label %if.end5

if.end5:                                          ; preds = %if.then, %entry
  %rez.0 = phi i1 [ %cmp3, %if.then ], [ false, %entry ]
  ret i1 %rez.0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #1

; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #1

attributes #0 = { nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { argmemonly nounwind }
attributes #2 = { nounwind }
